十指相扣天长地久双手紧握海枯石烂
[shí zhĭ xiāng kòu tiān zhăng dì jiŭ shuāng shŏu jĭn wò hăi kū shí làn]
This phrase means 'Fingers intertwined, eternal vow; hands clung tightly, till seas run dry and rocks crumble'. It indicates a desire for an everlasting bond between partners despite obstacles. Symbolizing the unbreakable power of a couple's unity and unwavering commitment to remain together under any circumstances.